Home / 56,180.82-77,530.16-30,687.92

Finding the Fourth Proportional to 56,180.82, 77,530.16 and 30,687.92

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Solution

The fourth proportional to 56,180.82, 77,530.16 and 30,687.92 is: 42,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,180.82 : 77,530.16 = 30,687.92 : x
  2. Step 2: Convert to fraction form
    56,180.82/77,530.16 = 30,687.92/x
  3. Step 3: Cross multiply
    56,180.82x = 77,530.16 × 30,687.92
  4. Step 4: Simplify right side
    56,180.82x = 2,379,238,806.58
  5. Step 5: Solve for x
    x = 2,379,238,806.58/56,180.82
  6. Step 6: Final answer
    x = 42,349.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.